US1292265A - Gear-case. - Google Patents

Gear-case. Download PDF

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Publication number
US1292265A
US1292265A US24547918A US24547918A US1292265A US 1292265 A US1292265 A US 1292265A US 24547918 A US24547918 A US 24547918A US 24547918 A US24547918 A US 24547918A US 1292265 A US1292265 A US 1292265A
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United States
Prior art keywords
cover
side members
gear
flanges
gear case
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US24547918A
Inventor
August N Cramer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Columbia Machine Works & Malleable Iron Co
Original Assignee
Columbia Machine Works & Malleable Iron Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Columbia Machine Works & Malleable Iron Co filed Critical Columbia Machine Works & Malleable Iron Co
Priority to US24547918A priority Critical patent/US1292265A/en
Application granted granted Critical
Publication of US1292265A publication Critical patent/US1292265A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/02—Fixed screens or hoods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/03—Gearboxes; Mounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/219—Guards
    • Y10T74/2191—Guards for rotary member

Definitions

  • WITNESS .mml run as. mnrnumr TED STATES PATEN AUGUST N. CRAMER, OF BROOKLYN, NEW YORK, ASSIGNOR TO COLUMBIA MACHINE WORKS 8c MALLEAIBLE IRON 00., OF BROOKLYN, NEW YORK, A CORPORATION OF NEW YORK.
  • This invention relates to that type of gear cases employed in connection with motor vehicles and more particularly with motor vehicle trucks.
  • gear cases heretofore commonly employed in this type of vehicle trucks much difficulty has been experienced in the breaking of the gear cases at the points at which they are mounted in the truck, due primarily as will be understood, to the torsion and other strains placed on the gear cases at their points of connection in the vehicle.
  • the object of the present invention therefore is to overcome this difliculty by producing a gear case in which the parts of support are so designed as to increase the strength of the same to a maximum and consequently reduce the liability of breaking by torsion or strains to which they are subjected to a minimum, and the gear case made in accordance with my present invention will be hereinafter more particularly described.
  • Figure 1 is a front elevation of one member of a gear case made in accordance with this invention.
  • Fig. 2 is an inverted plan view of the same.
  • Fig. 3 is an end elevation of the left hand end of the gear case member as shown in F ig'. 1.
  • Fig. at is a partial elevation of a gear case illustrating a modified form of the inventlon
  • Fig. 5 is an end elevation of the form of gear case illustrated in Fig. 4.
  • the gear case comprising this invention is made in parts, one of which is shown in these figures, and each part consists in side members 10 and 11 made in the required size and shape and of any suitable metal.
  • These side members 10 and 11 at their ends are preferably turned inwardly or toward each other and caused to abut against one another, the end members of the side 10 being indicated at 12 and'the end members of the side 11 being indicated at 13.
  • the side members 10 and 11 I employ a cover 14.
  • the cover is flanged at 15 for a predetermined distance, and these flanges fit over the adjacent edges of the side members 10 and 11 and are secured thereto by rivets 15 or otherwise.
  • each member of the gear casing is substantially similar. Referring however to the left hand end of the part of the gear casing shown in Fig. 1 it will be seen that the flange 15 terminates an appreciable distance short of the end of the cover 14: and at its extremity the cover 14 is provided with a flange 16 which is turned outwardly or on an opposite direction to the flange 15, and between the ends of the flange 16, the cover 14: terminates 1n a support member 17.
  • a bracket Associated with this end of the gear case I employ a bracket.
  • This bracket comprises side members 18 and 19, a front member 20 adapted to lie against the outer faces of the adjacent ends 12 and 13 0f the side members 10 and 11.
  • this bracket Forming a part of this bracket there is also a support plate 21 adapted to underlie the support plate 17. Fitting between the support plates 17 and 21 there is an insert plate 22.
  • This insert plate' may be made of the same or a material of different tensile strength to the other parts of the gear case, and is preferably flanged as indicated at 23, these flanges lying against the adjacent surfaces of the side members 18 and 19. It will be noted that the side plates 18 and 19 extend an appreciable distance beyond the cover let and this extended portion is indicated at 24:.
  • the support plates 17 and 21 with the intervening insert plate 22 are secured to one another by rivets 25 or otherwise, and preferably centrally these parts are also fitted with a bolt hole 26.
  • the flanges on the insert plate 22 are secured to the side members 18 and 19 of-the bracket by rivets 27 or otherwise, and the side plates 18 and 19 are secured to the side members 10 and 11 by rivets 28 or otherwise.
  • the front plate 20 may be connected to the inturned ends of the side members 10 and 11 by rivets 28 or otherwise.
  • the side plates 18 and 19 and the adjacent portions of the side members 10 and 11 may be recessed as indicated at 29 to receive the drive shaft and parts connected thereto, while as clearly indicated in Figs. 1 and 2, the side members 10 and 11 may .be recessed as indicated at 30 so as to fit over the axle of the vehicle.
  • this gear case member is substantially the same as that hereinbefore described with the excepbolt holes 26 for securing the parts in position.
  • the side members of the partof the casing are indicated at 31 and 32; the cover is indicated at 33, and this is provided with flanges 34L secured to the sides3l and 32 by rivets 34L or otherwise.
  • the. cover 33 extends beyond theflan'ge 34 as indicated at 35, and terminates in a support plate'36 in substantially the same manner as the cover 14 as illustrated in the I preferred form of the invention.
  • the ends of the side members 31 and 32 may be extendedas indicated at37 and 38.
  • the extremity of the cover 33 is flanged as indicated at 39 and40, these flanges bearing respectively against the inner surfaces of the side member extensions 37 and 38.
  • I employ an insert plate indicated 'at ll 'lying against the support plate 36 and connected thereto by rivets 42 orotherwise.
  • This insert plate has an upwardly extending portion 43 which conforms to and lies against the end of the cover 33- within. the flanges 39 and 40.
  • the extremity 36 of the cover33 and the insert plate 4C1 maybe provided with a bolt hole AA by which these parts are connected to positionwith the cross pins of the'chassis of the vehicle truck.
  • the strength of the support members of the gear case, as made in accordance with this invention will be such as to withstand"the ordinary tensile and other strains to which the same are subjected. in the use of th vehicle.
  • a gear case part sides, a cover having inturned flanges to which the sides are secured and outturned flanges at its extremities, a support member extending between the outturned flanges at the end of the cover, and. a reinforcing member secured to'the said support member.
  • a gear case part sides, a coverhaving inturned flanges extending for a portion of its length and to which the'said sides are secured and outturned flanges at the end thereof, a support member extending between the outturned flanges at the end of the said cover, and a bracket comprising side members, a front member, and a support plate secured to the said support member at the extremity of the said cover.
  • a gear case part sides, acover .having inturned flanges extending for a portion of its length and to which the'said sides are secured and outturn'ed 'flangesiat the end thereof, a support member extending between the outturned'flanges at theend of the said cover, a'bracketcomprising side members, a front member, and a support plate, an insert member between the said thereof, a bracket comprising side members secured to the aforesaid sides, afro'nt m'emher, and a support plate, an insertmemb'erlying between the said support member and support plate and having'fl'anges secured to the side members'of'thebracket, and means for connecting the saidsupport member, support plate, with theintervening insert member. 7 Y

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Description

A. N. CRAMER.
GEAR CASE.
APPLICATION FILED JULY 18. 1918'.
Patented J an; 21, 1919.
WITNESS .mml run: as. mnrnumr TED STATES PATEN AUGUST N. CRAMER, OF BROOKLYN, NEW YORK, ASSIGNOR TO COLUMBIA MACHINE WORKS 8c MALLEAIBLE IRON 00., OF BROOKLYN, NEW YORK, A CORPORATION OF NEW YORK.
GEAR-CASE.
Specification of Letters Patent.
Patented Jan. 21, 1919.
Application filed July 18, 1918. Serial No. 245,479.
To all whom it may concern:
Be it known that I, AUGUST N. GRAMER, a citizen of the United States, residing in the borough of Brooklyn, county of Kings, city and State of New York, have invented an Improvement in Gear-Cases, of which the the following is a specification.
This invention relates to that type of gear cases employed in connection with motor vehicles and more particularly with motor vehicle trucks. In the use of gear cases heretofore commonly employed in this type of vehicle trucks, much difficulty has been experienced in the breaking of the gear cases at the points at which they are mounted in the truck, due primarily as will be understood, to the torsion and other strains placed on the gear cases at their points of connection in the vehicle. The object of the present invention therefore is to overcome this difliculty by producing a gear case in which the parts of support are so designed as to increase the strength of the same to a maximum and consequently reduce the liability of breaking by torsion or strains to which they are subjected to a minimum, and the gear case made in accordance with my present invention will be hereinafter more particularly described.
In the drawing:
Figure 1 is a front elevation of one member of a gear case made in accordance with this invention.
Fig. 2 is an inverted plan view of the same.
Fig. 3 is an end elevation of the left hand end of the gear case member as shown in F ig'. 1. I
Fig. at is a partial elevation of a gear case illustrating a modified form of the inventlon, and
Fig. 5 is an end elevation of the form of gear case illustrated in Fig. 4.
Referring to the drawing, and particularly 9 to Figs. 1, 2 and 3, the gear case comprising this invention is made in parts, one of which is shown in these figures, and each part consists in side members 10 and 11 made in the required size and shape and of any suitable metal. These side members 10 and 11 at their ends are preferably turned inwardly or toward each other and caused to abut against one another, the end members of the side 10 being indicated at 12 and'the end members of the side 11 being indicated at 13. Together with the side members 10 and 11 I employ a cover 14.
At its edges the cover is flanged at 15 for a predetermined distance, and these flanges fit over the adjacent edges of the side members 10 and 11 and are secured thereto by rivets 15 or otherwise.
The construction at the ends of each member of the gear casing is substantially similar. Referring however to the left hand end of the part of the gear casing shown in Fig. 1 it will be seen that the flange 15 terminates an appreciable distance short of the end of the cover 14: and at its extremity the cover 14 is provided with a flange 16 which is turned outwardly or on an opposite direction to the flange 15, and between the ends of the flange 16, the cover 14: terminates 1n a support member 17. Associated with this end of the gear case I employ a bracket. This bracket comprises side members 18 and 19, a front member 20 adapted to lie against the outer faces of the adjacent ends 12 and 13 0f the side members 10 and 11. Forming a part of this bracket there is also a support plate 21 adapted to underlie the support plate 17. Fitting between the support plates 17 and 21 there is an insert plate 22. This insert plate'may be made of the same or a material of different tensile strength to the other parts of the gear case, and is preferably flanged as indicated at 23, these flanges lying against the adjacent surfaces of the side members 18 and 19. It will be noted that the side plates 18 and 19 extend an appreciable distance beyond the cover let and this extended portion is indicated at 24:. The support plates 17 and 21 with the intervening insert plate 22 are secured to one another by rivets 25 or otherwise, and preferably centrally these parts are also fitted with a bolt hole 26. The flanges on the insert plate 22 are secured to the side members 18 and 19 of-the bracket by rivets 27 or otherwise, and the side plates 18 and 19 are secured to the side members 10 and 11 by rivets 28 or otherwise. Furthermore the front plate 20 may be connected to the inturned ends of the side members 10 and 11 by rivets 28 or otherwise. The side plates 18 and 19 and the adjacent portions of the side members 10 and 11 may be recessed as indicated at 29 to receive the drive shaft and parts connected thereto, while as clearly indicated in Figs. 1 and 2, the side members 10 and 11 may .be recessed as indicated at 30 so as to fit over the axle of the vehicle.
The construction at the other end of this gear case member is substantially the same as that hereinbefore described with the excepbolt holes 26 for securing the parts in position.
3 Referring to- Figs. 4 and 5 it will be seen that .the side members of the partof the casing are indicated at 31 and 32; the cover is indicated at 33, and this is provided with flanges 34L secured to the sides3l and 32 by rivets 34L or otherwise. In this construction the. cover 33 extends beyond theflan'ge 34 as indicated at 35, and terminates in a support plate'36 in substantially the same manner as the cover 14 as illustrated in the I preferred form of the invention. In this construction however, instead of employing separate independent brackets as described in the preferred form of the inventions, the ends of the side members 31 and 32 may be extendedas indicated at37 and 38. The extremity of the cover 33 is flanged as indicated at 39 and40, these flanges bearing respectively against the inner surfaces of the side member extensions 37 and 38. In this form of the invention I employ an insert plate indicated 'at ll 'lying against the support plate 36 and connected thereto by rivets 42 orotherwise. This insert plate has an upwardly extending portion 43 which conforms to and lies against the end of the cover 33- within. the flanges 39 and 40. The extremity 36 of the cover33 and the insert plate 4C1 maybe provided with a bolt hole AA by which these parts are connected to positionwith the cross pins of the'chassis of the vehicle truck.
Now as will'be readily understood, the strength of the support members of the gear case, as made in accordance with this invention will be such as to withstand"the ordinary tensile and other strains to which the same are subjected. in the use of th vehicle.
I claim as my invention:
1. In a gear case part, sides, a cover having inturned flanges to which the sides are secured and outturned flanges at its extremities, a support member extending between the outturned flanges at the end of the cover, and. a reinforcing member secured to'the said support member.
2. Ina gear case part, sides, a coverhaving inturned flanges extending for a portion of its length and to which the'said sides are secured and outturned flanges at the end thereof, a support member extending between the outturned flanges at the end of the said cover, and a bracket comprising side members, a front member, and a support plate secured to the said support member at the extremity of the said cover.
3. In a gear case part, sides, acover .having inturned flanges extending for a portion of its length and to which the'said sides are secured and outturn'ed 'flangesiat the end thereof, a support member extending between the outturned'flanges at theend of the said cover, a'bracketcomprising side members, a front member, and a support plate, an insert member between the said thereof, a bracket comprising side members secured to the aforesaid sides, afro'nt m'emher, and a support plate, an insertmemb'erlying between the said support member and support plate and having'fl'anges secured to the side members'of'thebracket, and means for connecting the saidsupport member, support plate, with theintervening insert member. 7 Y
5. In a gear case part,sides which at their support member'and' support plate, and
extremities are inturned and cause'to abut against one another, a cover having inturned flanges extending for a predetermined portion of its length and-to which the said sides are connected, 'the said'cover end of the cover, an insert member" lying between thesaid support memb'erandf support plate and-having outtu'rned "flanges which are secured to the side -membersof the. bracket, and'means for securingtogether the said support member, the supportpl'ate with the "intervening insert member.
Signed by mefthis l9 'dayfof June,"19*1 8.
AUGUST- N. CRAMER.
Copies of this patent may be obtained for five cents each,' by addressing the Commissioner of Eatentn, -'Washington,D.' I). 9
US24547918A 1918-07-18 1918-07-18 Gear-case. Expired - Lifetime US1292265A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727483A (en) * 1971-09-27 1973-04-17 Nl Industries Inc Gear casing
US4305686A (en) * 1979-12-07 1981-12-15 Atwood Oceanics, Inc. Offshore drilling platform protection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727483A (en) * 1971-09-27 1973-04-17 Nl Industries Inc Gear casing
US4305686A (en) * 1979-12-07 1981-12-15 Atwood Oceanics, Inc. Offshore drilling platform protection device

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